Two objects, one accelerating downwards onto another

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Illuminist14
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The object accelerating downward exerts less force on the part below than if it were being held in place, But this is a reflexive situation: the lower section exerts less retarding force on the descending object - Newton's 3rd law. If the retarding force were greater, the object would have less downward acceleration and, if the force were great enough for long enough time, there could be arrest.

I wanted to know if I had this right? I think it is correct from what I have tried to research.

Any input would be appreciated, thanks
 

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Illuminist14 said:
The object accelerating downward exerts less force on the part below than if it were being held in place, But this is a reflexive situation: the lower section exerts less retarding force on the descending object - Newton's 3rd law. If the retarding force were greater, the object would have less downward acceleration and, if the force were great enough for long enough time, there could be arrest.

I wanted to know if I had this right? I think it is correct from what I have tried to research.

Any input would be appreciated, thanks

Your previous thread about this was locked. Do not re-post a locked thread.

https://www.physicsforums.com/showthread.php?t=569058

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